Journal
Build logs and project notes.
- build logJun 19, 2026
Bluetooth NES Advantage 2.0: it pairs to a Switch now
The second-gen board adds direct Nintendo Switch pairing and 8BitDo Retro Receiver support on top of the BLE gamepad mode. Prototypes are on the way.
Read - build logMay 22, 2026
Game Boy HiFi Audio: real sound out of the GBA
A Bluetooth audio board that pulls the GBA's stock amp and hands the whole audio path to an ESP32 and an ES8388 codec. The first prototypes are at the fab.
Read - build logApr 15, 2026
Building the Bluetooth NES Advantage
How a 1987 arcade controller learned BLE: the schematic decisions, the firmware path, and why the 8BitDo Retro Receiver doesn't work with it.
Read